const formatTime = date => {
  const year = date.getFullYear();
  const month = date.getMonth() + 1;
  const day = date.getDate();
  const hour = date.getHours();
  const minute = date.getMinutes();
  const second = date.getSeconds();

  return [year, month, day].map(formatNumber).join('/') + ' ' + [hour, minute, second].map(formatNumber).join(':');
}

const formatDate = date => {
  if (!date) return '';
  
  if (typeof date === 'string') {
    date = new Date(date);
  }
  
  const year = date.getFullYear();
  const month = date.getMonth() + 1;
  const day = date.getDate();

  return [year, month, day].map(formatNumber).join('-');
}

const formatNumber = n => {
  n = n.toString();
  return n[1] ? n : '0' + n;
}

module.exports = {
  formatTime,
  formatDate,
  formatNumber
} 